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I have removed the firmware 313 spoofer from Cydia and instead placed a firmware 313 spoofer *app* into Cydia. This time, rather than rely on cydia to copy the files, I have an app that will let you load it and toggle the firmware from 3.1.2 to 3.1.3. Note that it does require a reboot after toggling in order for this to take effect. In hindsight, having Cydia copy the files was a bad idea because it seems Cydia has crashed on some installs or the scripts have not completed for some reason causing problems on uninstall. The new app will solve that as it removes all the scripts from cydia.

The app still just edits the file at /System/Library/CoreServices/SystemVersion.plist, which you can manually edit if you so choose.

If you installed the previous version of firmware spoofer, I suggest you do not remove it (ever) as there was a bug in the uninstall script that could remove your firmware plist. Just use this new app instead to select which firmware you want. Selecting 3.1.2 and rebooting is equivalent to uninstalling the old tweak

App is basic but functional:

And some quick comments to some questions I keep getting:
1) No, this does not actually update your firmware to 3.1.3
2) No this does not impact tethering tweaks or other tweaks. It just changes the *reported* firmware version
3) No this does not break your unlock or cause “no service”

Remember that you have to reboot for this to take effect even though the settings app shows the version change immediately.

Final note: if you want this to remain permanent you can uninstall the app after selecting the firmware so you don’t have to have the icon. The last firmware you have chosen will remain. If you wish to change it later you can always reinstall the app and change it again.

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126 Responses to “Firmware 3.1.3 Spoofer App in Cydia”

Does having the previous 3.1.3 spoofer have any effect on the performance of the phone? I want to remove it because I don’t want it to use up resources but I don’t because I don’t want my .plist erased. Could you just release an update to the spoofer tweak so people who already have it could uninstall it please?

Hey Jason, to be on the safe side I wanted to remove this app. I have an iphone 3gs 16. I installed the new app, and it deleted my tethering too, it rebooted. I opened the new app and chose 3.1.2 then rebooted again. I went into cydia and unistalled the bad 3.1.3-went back while I was in 3.1.2 and got tethering back, then went back to app and updated to 3.1.3. Still have to check if everything works but so far so good.

If you have the prior version – like BigBoss said -do not uninstall it. The phone ends up seriously borked, and without that plist, iTunes doesn’t know what to do. You can’t sync, Bluetooth is gone, all sorts of springboard crashes. It’s ugly.

Oh, and the best part is iTunes will only restore you to 3.1.3 – oh well. Learned the hard way on this one. Won’t be the last one either…

If you uninstalled the prior version like I did and lost your systemversion.plist just install sosiphone repo in cydia and install Fake 3.1.3. It actually installs a new systemversion.plist so you can use this new firmware switcher app from bigg boss.

Thanks for the fix sir! I was going to be re restoring my phone today but as always you have come to the rescue. I installed your new app and let it overright a new systemversion.plist for 3.1.2 on top of the one I had made, now everything works like it should. Thanks again

My phone works good and have no problems. Everything works. My tethering still asked to be deleted though because it is 3.1.2. So if I see a new app I want in cydia it is a long process because if I chose to install cydia will automatically delete “enable tethering for 3gs”. I will have to go back to 3.1.2 and get it back then reboot to get 3.1.3 back. Kinda annoying

I got the new 3.1.3 app and it does give me problems with the tethering. It works fine but when I want to get a new tweak, app, or whatever from cydia I have to delete the tethering because it is for 3.1.2.

well for those who uninstalled before warning just do that – install Fake 3.1.3 from sosiphone. dont reboot, now ssh to System/Library/CoreServices/SystemVersion.plist created by sos, copy that plist to lets say another directory and save it. Now go to cydia and uninstall fake 3.1.3. Go to directory you saved plist, open it with ifile and change back to 3.1.2 and 7D11

I actually tried this and have the SystemVersion.plist looking and working fine (according to the about screen on the iPhone). I can’t get signal anymore though and Cydia is borked (but Icy and Apt are generally ok). Forget Cydia – I’ll get that sorted out eventually but this no signal thing is a bitch!

Hi, the issue I have is a bit different: I installed the last version this evening, and when I came back to the springboard I had lost 80% of my apps. There are still on my iPhone, nothing was deleted. I installed category and apps show up as question marks. What should I do?

Some more informations on my case: I’m now on 3.1.3 through Boss app, I also downloaded Fake 3.1.3.

But nothing changes the fact that I lost 80% of my aps. I can see the missing ones in BossPrefs, they are not hided. As I said they appeared in an app like “Categories” as question marks. I can see the app folders through iPhone browser: apps are still there it’s just the icons who don’t show up on springboard.

I tried to go back to 3.1.2, but nothing changes: I’m fucked. Unless you can help me! Please :)))

Thank you… but won’t it create doublons on my iPhone? I have 2,5Go of apps and that are still there somewhere. I’m redownloading Street Fighter IV right now and it looks like I will have it twice in the end. What worries me the most is apps such as Momento, on which I have written tons of text. If I have to manually delete redundant apps, I will need some help not to mess things up…

So I downloaded SFI4 which is a big app to see what would happen, and it does redownload it somewhere on my iPhone, whereas the original app still exists. So I need another solution, ideally to retrieve all my original apps. I browsed the web and found some tips such as:

-Reset all settings in the options -activate/disactivate restrictions
-synchronize with iTunes

None of this worked. I have a back up of applications in iTunes but it’s very old and most of my aps and associated content (ie notes in Momento) were not backed up…

This is unrelated to this app. Your app cache got hosed by cydia, rock, or whatever you were using. You need to rebuild it. Here is how:

1) Install something from cydia with an icon. That should put your cydia apps back on
2) Install something from appstore. That install should take a long time but after that, your appstore apps should be back.

Hi, redowloading apps don’t change anything. I received the .plist 3.1.2 file from Doru: he recommends to SSH the file to /System/Library/CoreServices and reboot. Do you confirm it’s safe to do that and that it may restore my apps?

(meanwhile I have backed up my critical app folders on my laptop through iPhoneBrowser).

Just a quick note to thank Doru, as my iPhone got its apps back. I added the .plist file, it din’t work so removed it and replaced my original file. And then it just worked :) Thanks again for your support, much appreciated.

on the first app release that was done everything worked fine when i installed – but uninstalled it later because i didn’t think i really needed it – rebooted and all the apps on my phone would load for 5-10seconds then back out – couldn’t load rock – but was able to load cydia and reinstall it – everything back to normal
just an fyi
im sure this problem is fixed now

I have a 3gs updated to 3.1.3 with a baseband of 05.12.01 i restoring 3.1.2 but i got a the iphone could? not be restored. this device isn’t eligible for the requested build error plssss HELP ME PLSSS ???????????

I have a 3gs updated to 3.1.3 with a baseband of 05.12.01 i restoring 3.1.2 but i got a the iphone could? not be restored. this device isn’t eligible for the requested build error plssss HELP ME PLSSS ???????????

Well I uninstalled your fake 3.1.3 and lost my systemversion. .plist so i had to get it back because your new faker thing doesn’t install a systemversion.plist and I couldn’t reinstall your first fake app because you removed it

Don’t know why I did this. But I Dled this new one (didn’t have the previous version). I hit the spoof to 3.1.3 and I get the Apple logo, and it won’t go away no matter what I do. I can’t get to my home screen, I can’t do anything. I’ve plug my 3GS 32 GB into my computer, and it’s not even being recognized. I can’t believe I tried this trick, and now my phone is F*#ked.

Big Boss any thoughts on this? Or did it happen to anyone else?

I SEEM TO BE HAVING THE SAME PROBLEM AS #27 BASTICUS AND HE HAS NOT BEEN ANSWERED YET. THIS FUCKED A LOT OF PHONES IT SEEMS LIKE.

Yeah it sure did screw alot of people, but it’s still apple’s fault. This ongoing battle for freedom. I used blackra1n to get into the phone because itunes wouldn’t allow a restore with the pwn 3.1.2 firmware at first but my phone is pwned at 3.1.2(from the-dev team). After blackra1n I restored in iTunes with the same pwn 3.1.2 firmware for the jailbreak and got cydia. Then I found blacksnow in cydia after adding the blackra1n source and was able to unlock again. Note to activate and get bars!!!! I had to follow instructions off the web and reset iTunes carrier log. It worked, it took only four hours this time instead of 8 or 12. I thought I was screwed. If you have updated over badeband 5.11.07 you are screwed for now to my knowledge. So I suggest boycott apple apps till they realize they will lose more money when peoples phones get locked up! I am smarter though when I am cruising and not mad with lock up, smarter for learning and achieving stuff I never would have. Thanks to cool genius people like you Bossman. Three of my cydia main sources fail to load at signing in but cydia works. I wondered cause one is Bossman’s, any ideas I will try to post the errors later. They might have worked out. :) peace.

It is not caused by this app, which is why restoring the plist didn’t help. It is not caused by permissions. It is caused by your appstore app cache being hosed. This happens sometimes using both cydia and rock. The solution is what I suggested. If that didnt do it alone then you will need to delete the app cache first and then install something from appstore. I’m away from my main computer so I cant tell you what to delete but if you email in I can explain it.

One More. You need some schooling bad! Steve Jobs would take your bank and right arm and chuck you into the garbage you idiot! You will be lucky to have any service with Steve jobs AT&T choice. Big Boss helps us that are willing to learn how to use this little superphone to use more of it’s capabilities that steve jobs would drag out to get money for the next 5 years. One example is t-mobile had MMS with the iPhone long before AT&T promised along AT&T’s dropped calls constantly. You don’t get what you pay for as far as network and capabilities. Apple is a bit slow there and ego like a bit much. I can multitask like crazy on edge. So I would love to sit at a round table with this subject and you wouldn’t know what to say. You are either stupid or maybe wish you worked for Steve Jobs. Your comment was very lame. Donate to a few bucks to bossman if you have brains cause he is a friend of your digital rights, not to speak for him.

You know what- I reckon you could even make your own .plist file. Use a text editor to make a file called SystemVersion.plist, paste the script below into it and put it in /System/Library/CoreServices. Worth a try!

Ummer- that post was an add-on to a much bigger post I wrote that for some reason needs moderating- I guess because of it’s size. If Cydia is still working for you, add http://cy.sosiphone.com/ into sources, then install their Fake 3.1.3 patch. FIXED!

Ummer- that post was an add-on to a much bigger post I wrote that for some reason needs moderating- I guess because of it’s size. If Cydia is still working for you, add h@t@tp:/@/cy.sosip@hone.com@/ (REMOVE THE @s- I’ve only added these to get round this forums moderation script to give you a quicker answer) into sources, then install their Fake 3.1.3 patch. FIXED!

Hello there! I have a jailbroken 3GS on old-bootrom, jbed with Blackra1n. I installed the first 3.1.3 patch over Cydia a week or so ago – with no problems. I noticed tonight that my photobucket app ahd stopped working – it just crashes. After a App Store re-install – I wondered if the 3.1.1 patch was causing the problem, so I removed it using Cydia, and re-booted. Mobile-Substrate then crashed, amd again re-booted.

All kinds of problems from then on – the phone was running, but very slowly – everything was taking ages to load up, even the lockscreen. The version under Settings>General was listed as NA, bluetooth said “Not Available”, and it started crashing.

After reading this thread I used iFile to navigate to /System/Library/CoreServices, and noticed that the SystemVersion.plist was missing completely. Luckily Cydia was still working for me – so I added SOS iPhone: h@t@t@p://cy.sosiphone.com/ (REMOVE THE @s- I’ve only added them to get round this forums moderation script!) into Sources, found and ran their Fake 3.1.3 patch, which has re-added the SystemVersion.plist file. FIXED!

Now to tidy up:
Using iFile again, I zipped up the file into a ZIP file in the same directory (made a copy, in other words), then went back into Cydia and un-installed the Fake 3.1.3 Patch from SOSiphone.
Now back into iFile for a final time – to unzip the copied .plist file and put it back in its rightful place.

This seems to have worked for me – the phone is back to normal, and I hope this little guide helps anyone else stuck in the same position!

Scary to think that a minor text file (feel free to read it in iFile – it’s very small!) could cause so much trouble!

Hello there! I have a jailbroken 3GS on old-bootrom, jbed with Blackra1n. I installed the first 3.1.3 patch over Cydia a week or so ago – with no problems. I noticed tonight that my photobucket app ahd stopped working – it just crashes. After a App Store re-install – I wondered if the 3.1.1 patch was causing the problem, so I removed it using Cydia, and re-booted. Mobile-Substrate then crashed, amd again re-booted.

All kinds of problems from then on – the phone was running, but very slowly – everything was taking ages to load up, even the lockscreen. The version under Settings>General was listed as NA, bluetooth said “Not Available”, and it started crashing.

After reading this thread I used iFile to navigate to /System/Library/CoreServices, and noticed that the SystemVersion.plist was missing completely. Luckily Cydia was still working for me – so I added SOS iPhone: h@t@tp:/@/cy.sosip@hone.com@/ (REMOVE THE @s- I’ve only added these to get round this forums moderation script to give you a quicker answer) into Sources, found and ran their Fake 3.1.3 patch, which has re-added the SystemVersion.plist file. FIXED!

Now to tidy up:
Using iFile again, I zipped up the file into a ZIP file in the same directory (made a copy, in other words), then went back into Cydia and un-installed the Fake 3.1.3 Patch from SOSiphone.
Now back into iFile for a final time – to unzip the copied .plist file and put it back in its rightful place.

This seems to have worked for me – the phone is back to normal, and I hope this little guide helps anyone else stuck in the same position!

Scary to think that a minor text file (feel free to read it in iFile – it’s very small!) could cause so much trouble!

Yay! I managed to post my How-To guide above without it needing to be moderated- as mentioned above, Remove the @s I put in the SOS iPhone Source.

Note to Big Boss- SORRY for clogging up this thread with lots of posts needing to be moderated- I realise now it’s because they contained a URL, so the forum blocks them in case it’s spam. Hopefully my posts help you guys out.. I was panicking until I figured out it’s quite an easy fix if Cydia still works. :)

after i install firmware, my space was shown used by “other” as 78.9%, whenever, i deleted some files and restarted it kept on eating my space. So i uninstalled it. I got my space back but there is no firmware version shown. So i cant install no programs. How can i get my firmware version back. I had 3.1.2. I tried to restore it thru itunes but it won’t let me install 3.1.2. Any ideas?

Bigboss having so many problems since installing your app so I removed and it went n/a in version no Bluetooth and ran real slow so I wanted to reinstall ur app but can’t find it. Have u removed it please help. I had to use the fake 3.1.3 from sosiphone but it’s caused a massive drain on my battery any ideas what can do please reply thanks

what version of firmware were u using? Get the same firmware version iphone and copy the file systemversion.plist from other iphone to your iphone using iphone browser. I had the same problem and i copied this file from my brother’s iphone and it worked. 100%

Hi ya mate really need ur help as I tried what u said but it only Copies the file how do zip it and then unzip it please help mr as this is causing my phone to have so many problems. I have followed all the steps apart from where u have to zip it and unzip it in ifile. Thanks

Hi ya Taylor please help followed all steps but can’t figure out how to zip the file in ifile. I go to systemversion p.list and copy everything in there but it don’t give me the option to zip so please help me out thanks mate.

I have a iphone 3g (jailbroken and cracked)which i accidentally connected 2 itunes for update 2 weeks back(net was on and i clicked yes).phone has been locked up. request help 2 unlock n downgrade software

Installing the 3.13 app has bricked my 2g. After installing it through big boss through cydia my iphone will not reboot to a home screen. It just shows the apple logo. Any advice on how to get it back to how it was before? Also, how can I get it into dfu mode when the home and power sequence doesn’t work after installing this app?

I have a 3rd gen ipod touch v3.1.2 jailbroken. Used fw 3.1.3 spoof. Worked, but later ipod got stuck in recovery. black screen, itunes message. Tried to free from recovery with blackra1n,as i have done before, but now it will not work, error message ASL.dll not found. What can I do? do not want to restore with itunes, but dead as is. TY

I have a 1st Generation Ipod touch on firmware version 3.1.2 and i installed 3.1.3 spoofer opened the app and pressed on 3.1.3 and pressed reboot and now my ipod touch won’t turn on either it just stays with the apple logo for a few seconds and then shuts back off i’ve tried connecting it to my computer but itunes nor blackra1n won’t pick it up because it won’t turn on so what happened is it fried or something someone please help!!

So I installed the app from cydia, and ran it. On the screen, i pressed the 3.1.3 button (my OS is 3.1.2) and then i pressed the reboot button. Then i pressed it again. And then again. For some reason, it wouldn’t reboot on pressing the button. So i pressed the home and power button to reboot. Upon returning to the app, i noticed that nothing had changed.